{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "trigger": true, "arguments": ["patch number", "common vulnerabilities and exposures", "patch", "vulnerability", "vulnerable system", "supported platform", "vulnerable system version", "releaser"]}, {"event_type": "discover vulnerability", "trigger": true, "arguments": ["vulnerability", "time", "common vulnerabilities and exposures", "supported platform", "vulnerable system owner", "vulnerable system version", "vulnerable system", "discoverer", "capabilities"]}, {"event_type": "data breach", "trigger": true, "arguments": ["number of data", "damage amount", "time", "purpose", "victim", "attacker", "place", "number of victim"]}, {"event_type": "ransom", "trigger": true, "arguments": ["place", "payment method", "tool", "victim", "price", "time", "attack pattern", "damage amount", "attacker"]}, {"event_type": "phishing", "trigger": true, "arguments": ["attacker", "time", "place", "damage amount", "purpose", "victim", "trusted entity"]}], "input": "Part of the health network had been held hostage since late Thursday , when ransomware locked files including patient medical records ."}
{"patch vulnerability": [], "discover vulnerability": [], "data breach": [], "ransom": [{"trigger": "had been held hostage", "arguments": {"place": "NAN", "payment method": "NAN", "tool": "NAN", "victim": "health network", "price": "NAN", "time": "late Thursday", "attack pattern": "ransomware locked files", "damage amount": "NAN", "attacker": "NAN"}}], "phishing": []}